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Finding the Fourth Proportional to 178,040.75, 245,696.24 and 98,552.75

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Solution

The fourth proportional to 178,040.75, 245,696.24 and 98,552.75 is: 136,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,040.75 : 245,696.24 = 98,552.75 : x
  2. Step 2: Convert to fraction form
    178,040.75/245,696.24 = 98,552.75/x
  3. Step 3: Cross multiply
    178,040.75x = 245,696.24 × 98,552.75
  4. Step 4: Simplify right side
    178,040.75x = 24,214,039,623.90
  5. Step 5: Solve for x
    x = 24,214,039,623.90/178,040.75
  6. Step 6: Final answer
    x = 136,002.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.